Posted 11/7/2008 23:14 (#500680 - in reply to #500635) Subject: RE: turn up HP on 855 Cummins
WCIN
Old days without changing buttons was putting in a "stinger". That was screwing in the fuel pressure control valve == more fuel pressure. That's what the selective buttons did. Thickness of the buttons, meant different spring pressure------different fuel pressure.
You should find a dude that knows exactly what your senerio is and go from there. Try your local wrecker service.
turn up HP on 855 Cummins
